José Manuel Gómez

J. is depressed. E. lives peacefully. S. tries to get back with his wife. G. resorts to anxiolytics. P. plays seduction games. María and Sara exchange their husbands. L. calls his lover in a peculiar way.

Once again tampering with mother nature to disastrous results, Dr. Herbert West continues his research while serving time in a maximum security prison for his previous exploits. West's limited prison-cell experiments are suddenly interrupted by the arrival of a new prison doctor and the brother of the girl who suffered from West's experiments 13 years earlier.